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Finding the Fourth Proportional to 98,544.48, 147,772.17 and 45,969

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Solution

The fourth proportional to 98,544.48, 147,772.17 and 45,969 is: 68,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,544.48 : 147,772.17 = 45,969 : x
  2. Step 2: Convert to fraction form
    98,544.48/147,772.17 = 45,969/x
  3. Step 3: Cross multiply
    98,544.48x = 147,772.17 × 45,969
  4. Step 4: Simplify right side
    98,544.48x = 6,792,938,882.73
  5. Step 5: Solve for x
    x = 6,792,938,882.73/98,544.48
  6. Step 6: Final answer
    x = 68,932.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.